Final answer:
Forensic scientists use databases to access physical evidence, trace evidence, and known samples for analysis.
Step-by-step explanation:
Forensic scientists can use databases to access various types of samples and evidence. This includes physical evidence such as fingerprints, DNA profiles, and weapon details. They can also access trace evidence like hair, fibers, and soil samples. Additionally, forensic scientists can refer to databases for known samples to compare and analyze unknown samples they have obtained from crime scenes.
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